package org.example.NodeList;

public class ListNode {
     public int val;	//结点值
    public ListNode next;	//用来指向下一个结点的ListNode对象
    public ListNode() {}
    public ListNode(int val) { this.val = val; }
    public ListNode(int val, ListNode next) { this.val = val; this.next = next; }
}
